Crawl app photos with python

Download a fighting fish first (you can do it without downloading, the URLs are all here, right) Grab a json package by grabbing it and get the address below   Observed tests show that modifying offset values is equivalent to paging an app Accessing this url returns a large dictionary with two indexes, one error and one data.Data is another 20 ...

Posted by snowdog on Mon, 20 Jul 2020 08:02:20 -0700

[LUOGU] 1364 Hospital Settings

There is a binary tree, as shown in the figure: [I am the picture] Among them, the numbers in the circle represent the population of the residents in the node.Numbers on the rim represent node numbers. A hospital is now required on a node to minimize the sum of all residents'journeys, and it is agreed that the distan ...

Posted by dan7474 on Mon, 20 Jul 2020 08:11:24 -0700

freemarker tag usage and configuration

After some time of research, freemarker really works better than jsp, and freemarker strictly divides the mvc pattern.Show on the page as a template filler.The following describes the use and configuration of freemarker that I experienced. Configuration tags are good for maintaining and expanding the project. Create a freemarker configuratio ...

Posted by FrankHarley on Mon, 20 Jul 2020 08:38:52 -0700

References in Java and JNI (strong, soft, weak, virtual)

1. Strong References (Objects) Features: Strong references provide direct access to the target object. Will not be recycled. Two, soft reference (SoftReference class) Features: When GC reclaims based on JVM memory, JVM reclaims when it finds it is out of memory Conditions for freeing up space: JVM found insufficient m ...

Posted by alireza on Sun, 19 Jul 2020 08:34:35 -0700

Kids learn Java (6): encapsulation

Object oriented has three characteristics: Encapsulation, Inheritance and Polymorphism. This section covers encapsulation. Procedure 1 class Woman { private String name; private int age; private Man husband; public void setName(String name) { this.name = name; } public String getName() { return ...

Posted by thehigherentity on Sun, 19 Jul 2020 08:51:28 -0700